FTTH家庭网关及其对视频业务的承载

The integrated access terminal used in FTTH

基于EPON接入结构,提出了一种FTTH家庭网关的总体设计方案,该方案在用户端能够为用户提供视频、语音和数据三种业务的接口,实现三种业务的融合。尤其是在视频业务的承载方面,综合IPTV与DVB的优点,通过灵活组合,为用户提供H.264和MPEG-2两种编码方式的视频节目的接收平台。分析比较了两种编码方式的点播节目对带宽需求的差别。

Based on the structure of EPON , this paper proposes a design of Home Gateway used in FTTH. On the Customer＇s Side, the terminal provides three kinds of interfaces for the video, voice and data, and attains the integration of the three services., the main characteristics of this design is on the aspect of the load of the video, combines the advantage of IPTV and DVB. Through flexible combination, the system can offer a platform for receiving two signals. In conclusion, the article focuses on the two encoding mode on the impact of bandwidth consumption and make analyse and comparison through simulation.